... , Tangshan huida(Group) Sanitation Co., Ltd., Tangshan Hexiang(Group) Lingxiang Commerce & Trading Co., Ltd, Tangshan Hexiang Refractory Materials Co., Ltd., Tangshan Hexiang Import& Export Co., Ltd.,In 2002, company authorized ... tangshan City”, “First class enterprise of Tangshan city”, “National Hi-new-tech enterprise” and “National youth Civilization Unit”.You are welcomed ...